How To Fix Cracked Window Ledge

Fix any small or medium cracks in your concrete window sill with caulk.

How to fix cracked window ledge.

You ll want to remove any dust oil or fingerprints and then wipe. We pulled out the rest of the nails that were left behind. At this stage the biggest thing to watch for is any rot that may be around the frame. I prefer using a glue brush to help the epoxy work down into cracks and crevices.

Scrape away any mess with the edge of the knife. Wash the glass around the crack with a drop or two of dishwashing soap on a damp cloth. Clean the glass with dish soap. Use a stiff wire brush to remove all the loose paint and dirt before rubbing down the existing paint with medium grade sandpaper.

This will keep the adhesive from leaking out the opposite side of the window. Thoroughly clean the break flushing out any potential debris with an eyedropper before applying tape to the back of the crack. Fit the narrow tip of a bottle of silicone latex caulk into each crack and overfill it by about inch. Remove any dust with a soft brush.

Around all the edges including between the underneath trim and the window sill. Mix 10 parts of putty to one part activator with a flexible metal putty knife. As this may prevent the filler from making a good seal. Apply the putty to fill the damaged areas smoothing it off even with the sill s surface.

In a disposable container mix up your batch of liquidwood remember the 1 to 1 proportions and let it setup for about 15 minutes. Then we used a hammer and banged popped the sill upwards being careful to avoid any further damage. Mix only what you can use in five minutes or less. Once it is ready you can apply it to the surfaces that require stabilization and repair.

Spread and flatten the caulk with a small putty knife. Be careful to rub down the edges where any larger flakes of paint came away so that you have a nice smooth gradient for the new paint.